| 新型彩电高、中放AGC起控电平的选取 |
| |
| 引用本文： | 吕秋芬,徐翊保,薛海军.新型彩电高、中放AGC起控电平的选取[J].河北师范大学学报(自然科学版),2003,27(4):372-374. |
| |
| 作者姓名： | 吕秋芬 徐翊保 薛海军 |
| |
| 作者单位： | 1. 河北师范大学,物理学院,河北,石家庄,050016
2. 廊坊师范学院,教育系,河北,廊坊,065000 |
| |
| 基金项目： | 河北师范大学校内基金资助项目 |
| |
| 摘 要： | 系统地阐述了新型彩电公共通道中中放和高放有差闭环自动增益控制系统的工作过程，从理论上分析了中、高放AGC起控电平的选取原则以及它们的控制范围。
|
| 关 键 词： | 彩电 延迟式中放AGC 延迟式高放AGC 起控电平 图像信噪比 噪声系数 选取原则 |
| 文章编号： | 1000-5854(2003)04-0372-03 |
Study on Selecting How to Control Level of IFA and HFA AGC in a New Type Color TV Receiver |
| |
| LV Qiu fen ,XU Yi bao ,XUE Hai jun.Study on Selecting How to Control Level of IFA and HFA AGC in a New Type Color TV Receiver[J].Journal of Hebei Normal University,2003,27(4):372-374. |
| |
| Authors: | LV Qiu fen XU Yi bao XUE Hai jun |
| |
| Institution: | LV Qiu fen 1,XU Yi bao 1,XUE Hai jun 2 |
| |
| Abstract: | Operating process of differential loop locked automatic gain control system for IFA and HFA circuit in common channel of color TV receivers is systematically described, it is theoretically discussed how to select get to control level of IFA and HFA AGC and their controlling range. |
| |
| Keywords: | delayed IFA AGC delayed HFA AGC det to control level image signal to noise ratio noise coefficient |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
